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      <a href="../../../index.html">All files</a> / <a href="index.html">lib/http-proxy/passes</a> web-outgoing.js
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        <span class='fraction'>11/52</span>
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        <span class="strong">13.21% </span>
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        <span class='fraction'>7/53</span>
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        <span class="strong">28.57% </span>
        <span class="quiet">Functions</span>
        <span class='fraction'>2/7</span>
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        <span class="strong">21.57% </span>
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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">var url    = require('url'),
    common = require('../common');
&nbsp;
&nbsp;
var redirectRegex = /^201|30(1|2|7|8)$/;
&nbsp;
/*!
 * Array of passes.
 *
 * A `pass` is just a function that is executed on `req, res, options`
 * so that you can easily add new checks while still keeping the base
 * flexible.
 */
&nbsp;
module.exports = { // &lt;--
&nbsp;
  /**
   * If is a HTTP 1.0 request, remove chunk headers
   *
   * @param {ClientRequest} Req Request object
   * @param {IncomingMessage} Res Response object
   * @param {proxyResponse} Res Response object from the proxy request
   *
   * @api private
   */
  removeChunked: function removeChunked(req, res, proxyRes) {
    <span class="missing-if-branch" title="else path not taken" >E</span>if (req.httpVersion === '1.0') {
      delete proxyRes.headers['transfer-encoding'];
    }
  },
&nbsp;
  /**
   * If is a HTTP 1.0 request, set the correct connection header
   * or if connection header not present, then use `keep-alive`
   *
   * @param {ClientRequest} Req Request object
   * @param {IncomingMessage} Res Response object
   * @param {proxyResponse} Res Response object from the proxy request
   *
   * @api private
   */
  setConnection: function <span class="fstat-no" title="function not covered" >setConnection(</span>req, res, proxyRes) {
<span class="cstat-no" title="statement not covered" >    if (req.httpVersion === '1.0') {</span>
<span class="cstat-no" title="statement not covered" >      proxyRes.headers.connection = req.headers.connection || 'close';</span>
    } else <span class="cstat-no" title="statement not covered" >if (req.httpVersion !== '2.0' &amp;&amp; !proxyRes.headers.connection) {</span>
<span class="cstat-no" title="statement not covered" >      proxyRes.headers.connection = req.headers.connection || 'keep-alive';</span>
    }
  },
&nbsp;
  setRedirectHostRewrite: function setRedirectHostRewrite(req, res, proxyRes, options) {
    <span class="missing-if-branch" title="else path not taken" >E</span>if ((options.hostRewrite || options.autoRewrite || <span class="branch-2 cbranch-no" title="branch not covered" >options.protocolRewrite)</span>
        &amp;&amp; proxyRes.headers['location']
        &amp;&amp; redirectRegex.test(proxyRes.statusCode)) {
      var target = url.parse(options.target);
      var u = url.parse(proxyRes.headers['location']);
&nbsp;
      // make sure the redirected host matches the target host before rewriting
      <span class="missing-if-branch" title="else path not taken" >E</span>if (target.host != u.host) {
        return;
      }
&nbsp;
<span class="cstat-no" title="statement not covered" >      if (options.hostRewrite) {</span>
<span class="cstat-no" title="statement not covered" >        u.host = options.hostRewrite;</span>
      } else <span class="cstat-no" title="statement not covered" >if (options.autoRewrite) {</span>
<span class="cstat-no" title="statement not covered" >        u.host = req.headers['host'];</span>
      }
<span class="cstat-no" title="statement not covered" >      if (options.protocolRewrite) {</span>
<span class="cstat-no" title="statement not covered" >        u.protocol = options.protocolRewrite;</span>
      }
<span class="cstat-no" title="statement not covered" >      console.log(u);</span>
<span class="cstat-no" title="statement not covered" >      proxyRes.headers['location'] = u.format();</span>
    }
  },
  /**
   * Copy headers from proxyResponse to response
   * set each header in response object.
   *
   * @param {ClientRequest} Req Request object
   * @param {IncomingMessage} Res Response object
   * @param {proxyResponse} Res Response object from the proxy request
   * @param {Object} Options options.cookieDomainRewrite: Config to rewrite cookie domain
   *
   * @api private
   */
  writeHeaders: function <span class="fstat-no" title="function not covered" >writeHeaders(</span>req, res, proxyRes, options) {
    var rewriteCookieDomainConfig = <span class="cstat-no" title="statement not covered" >options.cookieDomainRewrite,</span>
        rewriteCookiePathConfig = <span class="cstat-no" title="statement not covered" >options.cookiePathRewrite,</span>
        preserveHeaderKeyCase = <span class="cstat-no" title="statement not covered" >options.preserveHeaderKeyCase,</span>
        rawHeaderKeyMap,
        setHeader = <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >fu</span>nction(key, header) {</span>
<span class="cstat-no" title="statement not covered" >          if (header == undefined) <span class="cstat-no" title="statement not covered" >return;</span></span>
<span class="cstat-no" title="statement not covered" >          if (rewriteCookieDomainConfig &amp;&amp; key.toLowerCase() === 'set-cookie') {</span>
<span class="cstat-no" title="statement not covered" >            header = common.rewriteCookieProperty(header, rewriteCookieDomainConfig, 'domain');</span>
          }
<span class="cstat-no" title="statement not covered" >          if (rewriteCookiePathConfig &amp;&amp; key.toLowerCase() === 'set-cookie') {</span>
<span class="cstat-no" title="statement not covered" >            header = common.rewriteCookieProperty(header, rewriteCookiePathConfig, 'path');</span>
          }
<span class="cstat-no" title="statement not covered" >          res.setHeader(String(key).trim(), header);</span>
        };
&nbsp;
<span class="cstat-no" title="statement not covered" >    if (typeof rewriteCookieDomainConfig === 'string') { //also test for ''</span>
<span class="cstat-no" title="statement not covered" >      rewriteCookieDomainConfig = { '*': rewriteCookieDomainConfig };</span>
    }
&nbsp;
<span class="cstat-no" title="statement not covered" >    if (typeof rewriteCookiePathConfig === 'string') { //also test for ''</span>
<span class="cstat-no" title="statement not covered" >      rewriteCookiePathConfig = { '*': rewriteCookiePathConfig };</span>
    }
&nbsp;
    // message.rawHeaders is added in: v0.11.6
    // https://nodejs.org/api/http.html#http_message_rawheaders
<span class="cstat-no" title="statement not covered" >    if (preserveHeaderKeyCase &amp;&amp; proxyRes.rawHeaders != undefined) {</span>
<span class="cstat-no" title="statement not covered" >      rawHeaderKeyMap = {};</span>
<span class="cstat-no" title="statement not covered" >      for (var i = 0; i &lt; proxyRes.rawHeaders.length; i += 2) {</span>
        var key = <span class="cstat-no" title="statement not covered" >proxyRes.rawHeaders[i];</span>
<span class="cstat-no" title="statement not covered" >        rawHeaderKeyMap[key.toLowerCase()] = key;</span>
      }
    }
&nbsp;
<span class="cstat-no" title="statement not covered" >    Object.keys(proxyRes.headers).forEach(<span class="fstat-no" title="function not covered" >fu</span>nction(key) {</span>
      var header = <span class="cstat-no" title="statement not covered" >proxyRes.headers[key];</span>
<span class="cstat-no" title="statement not covered" >      if (preserveHeaderKeyCase &amp;&amp; rawHeaderKeyMap) {</span>
<span class="cstat-no" title="statement not covered" >        key = rawHeaderKeyMap[key] || key;</span>
      }
<span class="cstat-no" title="statement not covered" >      setHeader(key, header);</span>
    });
  },
&nbsp;
  /**
   * Set the statusCode from the proxyResponse
   *
   * @param {ClientRequest} Req Request object
   * @param {IncomingMessage} Res Response object
   * @param {proxyResponse} Res Response object from the proxy request
   *
   * @api private
   */
  writeStatusCode: function <span class="fstat-no" title="function not covered" >writeStatusCode(</span>req, res, proxyRes) {
    // From Node.js docs: response.writeHead(statusCode[, statusMessage][, headers])
<span class="cstat-no" title="statement not covered" >    if(proxyRes.statusMessage) {</span>
<span class="cstat-no" title="statement not covered" >      res.statusCode = proxyRes.statusCode;</span>
<span class="cstat-no" title="statement not covered" >      res.statusMessage = proxyRes.statusMessage;</span>
    } else {
<span class="cstat-no" title="statement not covered" >      res.statusCode = proxyRes.statusCode;</span>
    }
  }
&nbsp;
};
&nbsp;</pre></td></tr>
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